+/*
+ * Executes the command in a shell.
+ * Returns -1 if an error occured, the exit status of
+ * the command on success.
+ */
+int system_command(const char *command, const char *device, int volnum) {
+ int pid, status;
+ char commandstr[4096];
+
+ pid = fork();
+ if (pid == -1) {
+ perror(" DUMP: unable to fork");
+ return -1;
+ }
+ if (pid == 0) {
+ setuid(getuid());
+ setgid(getgid());
+#if OLD_STYLE_FSCRIPT
+ snprintf(commandstr, sizeof(commandstr), "%s", command);
+#else
+ snprintf(commandstr, sizeof(commandstr), "%s %s %d", command, device, volnum);
+#endif
+ commandstr[sizeof(commandstr) - 1] = '\0';
+ execl("/bin/sh", "sh", "-c", commandstr, NULL);
+ perror(" DUMP: unable to execute shell");
+ exit(-1);
+ }
+ do {
+ if (waitpid(pid, &status, 0) == -1) {
+ if (errno != EINTR) {
+ perror(" DUMP: waitpid error");
+ return -1;
+ }
+ } else {
+ if (WIFEXITED(status))
+ return WEXITSTATUS(status);
+ else
+ return -1;
+ }
+ } while(1);
+}
+
+time_t